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Age	Commit message (Collapse)	Author
2015-03-23	mmc: pwrseq: simplify alloc/free hooks	Alexandre Courbot
	The alloc() and free() hooks required each pwrseq implementation to set host->pwrseq themselves. This is error-prone and could be done at a higher level if alloc() was changed to return a pointer to a struct mmc_pwrseq instead of an error code. This patch performs this change and moves the burden of maintaining host->pwrseq from the power sequence hooks to the pwrseq code. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-02-04	mmc: pwrseq: add driver for emmc hardware reset	Marek Szyprowski
	This patch provides a simple mmc-pwrseq-emmc driver, which controls single gpio line. It perform standard eMMC hw reset procedure, as descibed by Jedec 4.4 specification. This procedure is performed just after MMC core enabled power to the given mmc host (to fix possible issues if bootloader has left eMMC card in initialized or unknown state), and before performing complete system reboot (also in case of emergency reboot call). The latter is needed on boards, which doesn't have hardware reset logic connected to emmc card and (limited or broken) ROM bootloaders are unable to read second stage from the emmc card if the card is left in unknown or already initialized state. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>